./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f9d802e48c20b812c0aeb303e5b9a04b1c7ed3d ...................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f9d802e48c20b812c0aeb303e5b9a04b1c7ed3d .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:33:40,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:33:40,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:33:40,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:33:40,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:33:40,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:33:40,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:33:40,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:33:40,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:33:40,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:33:40,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:33:40,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:33:40,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:33:40,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:33:40,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:33:40,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:33:40,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:33:40,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:33:40,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:33:40,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:33:40,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:33:40,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:33:40,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:33:40,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:33:40,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:33:40,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:33:40,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:33:40,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:33:40,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:33:40,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:33:40,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:33:40,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:33:40,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:33:40,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:33:40,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:33:40,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:33:40,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:33:40,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:33:40,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:33:40,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:33:40,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:33:40,201 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 10:33:40,213 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:33:40,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:33:40,214 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:33:40,214 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:33:40,214 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:33:40,215 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:33:40,215 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 10:33:40,215 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:33:40,215 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:33:40,215 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 10:33:40,215 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 10:33:40,215 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:33:40,215 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 10:33:40,216 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 10:33:40,216 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 10:33:40,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:33:40,216 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:33:40,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:33:40,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:33:40,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:33:40,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:33:40,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:33:40,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:33:40,217 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:33:40,217 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:33:40,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:33:40,217 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:33:40,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:33:40,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:33:40,218 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:33:40,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:33:40,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:33:40,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:33:40,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:33:40,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:33:40,219 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 10:33:40,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:33:40,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:33:40,219 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:33:40,219 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:33:40,219 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f9d802e48c20b812c0aeb303e5b9a04b1c7ed3d [2019-12-07 10:33:40,327 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:33:40,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:33:40,340 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:33:40,341 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:33:40,342 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:33:40,342 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2019-12-07 10:33:40,386 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/data/4bf19cbf6/172e47284f0545a897988fa5a0891a4e/FLAGbe700123e [2019-12-07 10:33:40,772 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:33:40,772 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2019-12-07 10:33:40,782 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/data/4bf19cbf6/172e47284f0545a897988fa5a0891a4e/FLAGbe700123e [2019-12-07 10:33:41,159 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/data/4bf19cbf6/172e47284f0545a897988fa5a0891a4e [2019-12-07 10:33:41,161 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:33:41,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:33:41,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:33:41,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:33:41,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:33:41,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:33:41" (1/1) ... [2019-12-07 10:33:41,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf3238d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:33:41, skipping insertion in model container [2019-12-07 10:33:41,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:33:41" (1/1) ... [2019-12-07 10:33:41,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:33:41,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:33:41,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:33:41,417 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 10:33:41,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@25d05e8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:33:41, skipping insertion in model container [2019-12-07 10:33:41,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:33:41,418 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 10:33:41,419 INFO L168 Benchmark]: Toolchain (without parser) took 256.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -141.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:33:41,420 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 957.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:33:41,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 937.3 MB in the beginning and 1.1 GB in the end (delta: -146.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:33:41,421 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 957.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 254.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 937.3 MB in the beginning and 1.1 GB in the end (delta: -146.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 398]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 10:33:42,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:33:42,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:33:42,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:33:42,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:33:42,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:33:42,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:33:42,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:33:42,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:33:42,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:33:42,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:33:42,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:33:42,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:33:42,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:33:42,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:33:42,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:33:42,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:33:42,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:33:42,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:33:42,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:33:42,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:33:42,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:33:42,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:33:42,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:33:42,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:33:42,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:33:42,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:33:42,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:33:42,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:33:42,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:33:42,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:33:42,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:33:42,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:33:42,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:33:42,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:33:42,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:33:42,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:33:42,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:33:42,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:33:42,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:33:42,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:33:42,610 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 10:33:42,620 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:33:42,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:33:42,621 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:33:42,621 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:33:42,621 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:33:42,621 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:33:42,621 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:33:42,621 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:33:42,621 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:33:42,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:33:42,622 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:33:42,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:33:42,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:33:42,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:33:42,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:33:42,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:33:42,623 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:33:42,623 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:33:42,623 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:33:42,623 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:33:42,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:33:42,623 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:33:42,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:33:42,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:33:42,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:33:42,624 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:33:42,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:33:42,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:33:42,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:33:42,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:33:42,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:33:42,625 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 10:33:42,625 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:33:42,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:33:42,625 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:33:42,625 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:33:42,625 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f9d802e48c20b812c0aeb303e5b9a04b1c7ed3d [2019-12-07 10:33:42,801 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:33:42,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:33:42,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:33:42,815 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:33:42,815 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:33:42,816 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2019-12-07 10:33:42,863 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/data/a6700532d/c10184a4926141668aeba5f0423f8f93/FLAG0144c5701 [2019-12-07 10:33:43,296 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:33:43,296 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2019-12-07 10:33:43,306 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/data/a6700532d/c10184a4926141668aeba5f0423f8f93/FLAG0144c5701 [2019-12-07 10:33:43,667 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/data/a6700532d/c10184a4926141668aeba5f0423f8f93 [2019-12-07 10:33:43,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:33:43,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:33:43,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:33:43,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:33:43,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:33:43,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:33:43" (1/1) ... [2019-12-07 10:33:43,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9aca9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:33:43, skipping insertion in model container [2019-12-07 10:33:43,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:33:43" (1/1) ... [2019-12-07 10:33:43,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:33:43,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:33:43,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:33:43,951 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 10:33:43,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:33:43,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:33:43,999 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:33:44,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:33:44,064 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:33:44,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:33:44 WrapperNode [2019-12-07 10:33:44,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:33:44,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:33:44,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:33:44,065 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:33:44,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:33:44" (1/1) ... [2019-12-07 10:33:44,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:33:44" (1/1) ... [2019-12-07 10:33:44,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:33:44,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:33:44,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:33:44,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:33:44,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:33:44" (1/1) ... [2019-12-07 10:33:44,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:33:44" (1/1) ... [2019-12-07 10:33:44,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:33:44" (1/1) ... [2019-12-07 10:33:44,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:33:44" (1/1) ... [2019-12-07 10:33:44,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:33:44" (1/1) ... [2019-12-07 10:33:44,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:33:44" (1/1) ... [2019-12-07 10:33:44,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:33:44" (1/1) ... [2019-12-07 10:33:44,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:33:44,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:33:44,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:33:44,149 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:33:44,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:33:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:33:44,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:33:44,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 10:33:44,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:33:44,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:33:44,770 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:33:44,770 INFO L287 CfgBuilder]: Removed 200 assume(true) statements. [2019-12-07 10:33:44,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:33:44 BoogieIcfgContainer [2019-12-07 10:33:44,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:33:44,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:33:44,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:33:44,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:33:44,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:33:43" (1/3) ... [2019-12-07 10:33:44,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb21071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:33:44, skipping insertion in model container [2019-12-07 10:33:44,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:33:44" (2/3) ... [2019-12-07 10:33:44,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb21071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:33:44, skipping insertion in model container [2019-12-07 10:33:44,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:33:44" (3/3) ... [2019-12-07 10:33:44,777 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product60.cil.c [2019-12-07 10:33:44,784 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:33:44,789 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 10:33:44,797 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 10:33:44,815 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:33:44,815 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:33:44,815 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:33:44,815 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:33:44,815 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:33:44,815 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:33:44,816 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:33:44,816 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:33:44,828 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-12-07 10:33:44,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 10:33:44,833 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:33:44,833 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:33:44,834 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:33:44,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:33:44,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1212648512, now seen corresponding path program 1 times [2019-12-07 10:33:44,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:33:44,847 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [617823774] [2019-12-07 10:33:44,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 10:33:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:33:44,972 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 10:33:44,976 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:33:44,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:33:44,987 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:33:44,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:33:44,991 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [617823774] [2019-12-07 10:33:44,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:33:44,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 10:33:44,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521966533] [2019-12-07 10:33:44,995 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 10:33:44,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:33:45,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:33:45,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:33:45,006 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2019-12-07 10:33:45,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:33:45,030 INFO L93 Difference]: Finished difference Result 275 states and 414 transitions. [2019-12-07 10:33:45,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:33:45,031 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 10:33:45,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:33:45,040 INFO L225 Difference]: With dead ends: 275 [2019-12-07 10:33:45,040 INFO L226 Difference]: Without dead ends: 137 [2019-12-07 10:33:45,043 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:33:45,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-12-07 10:33:45,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-12-07 10:33:45,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-12-07 10:33:45,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 199 transitions. [2019-12-07 10:33:45,076 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 199 transitions. Word has length 18 [2019-12-07 10:33:45,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:33:45,077 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 199 transitions. [2019-12-07 10:33:45,077 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 10:33:45,077 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2019-12-07 10:33:45,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 10:33:45,078 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:33:45,078 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:33:45,279 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 10:33:45,280 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:33:45,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:33:45,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1186120291, now seen corresponding path program 1 times [2019-12-07 10:33:45,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:33:45,283 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804113376] [2019-12-07 10:33:45,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 10:33:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:33:45,517 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:33:45,518 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:33:45,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:33:45,535 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:33:45,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:33:45,545 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [804113376] [2019-12-07 10:33:45,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:33:45,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 10:33:45,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021430020] [2019-12-07 10:33:45,547 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:33:45,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:33:45,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:33:45,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:33:45,548 INFO L87 Difference]: Start difference. First operand 137 states and 199 transitions. Second operand 4 states. [2019-12-07 10:33:45,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:33:45,563 INFO L93 Difference]: Finished difference Result 137 states and 199 transitions. [2019-12-07 10:33:45,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:33:45,564 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 10:33:45,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:33:45,565 INFO L225 Difference]: With dead ends: 137 [2019-12-07 10:33:45,565 INFO L226 Difference]: Without dead ends: 57 [2019-12-07 10:33:45,566 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:33:45,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-12-07 10:33:45,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-12-07 10:33:45,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-12-07 10:33:45,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 82 transitions. [2019-12-07 10:33:45,571 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 82 transitions. Word has length 19 [2019-12-07 10:33:45,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:33:45,571 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 82 transitions. [2019-12-07 10:33:45,571 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:33:45,571 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2019-12-07 10:33:45,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 10:33:45,572 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:33:45,572 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:33:45,772 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 10:33:45,773 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:33:45,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:33:45,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1540902592, now seen corresponding path program 1 times [2019-12-07 10:33:45,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:33:45,774 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1658876620] [2019-12-07 10:33:45,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 10:33:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:33:45,886 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:33:45,887 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:33:45,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:33:45,895 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:33:45,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:33:45,903 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1658876620] [2019-12-07 10:33:45,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:33:45,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 10:33:45,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925340592] [2019-12-07 10:33:45,904 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:33:45,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:33:45,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:33:45,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:33:45,905 INFO L87 Difference]: Start difference. First operand 57 states and 82 transitions. Second operand 4 states. [2019-12-07 10:33:45,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:33:45,969 INFO L93 Difference]: Finished difference Result 181 states and 268 transitions. [2019-12-07 10:33:45,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 10:33:45,970 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 10:33:45,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:33:45,972 INFO L225 Difference]: With dead ends: 181 [2019-12-07 10:33:45,972 INFO L226 Difference]: Without dead ends: 131 [2019-12-07 10:33:45,973 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:33:45,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-12-07 10:33:45,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 77. [2019-12-07 10:33:45,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-12-07 10:33:45,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 113 transitions. [2019-12-07 10:33:45,986 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 113 transitions. Word has length 24 [2019-12-07 10:33:45,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:33:45,987 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 113 transitions. [2019-12-07 10:33:45,987 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:33:45,987 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2019-12-07 10:33:45,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 10:33:45,988 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:33:45,988 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:33:46,189 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 10:33:46,190 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:33:46,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:33:46,190 INFO L82 PathProgramCache]: Analyzing trace with hash 2071903209, now seen corresponding path program 1 times [2019-12-07 10:33:46,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:33:46,191 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [264298878] [2019-12-07 10:33:46,192 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 10:33:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:33:46,338 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:33:46,340 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:33:46,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:33:46,346 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:33:46,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:33:46,348 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [264298878] [2019-12-07 10:33:46,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:33:46,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 10:33:46,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620623596] [2019-12-07 10:33:46,349 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:33:46,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:33:46,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:33:46,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:33:46,350 INFO L87 Difference]: Start difference. First operand 77 states and 113 transitions. Second operand 3 states. [2019-12-07 10:33:46,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:33:46,403 INFO L93 Difference]: Finished difference Result 169 states and 251 transitions. [2019-12-07 10:33:46,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:33:46,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 10:33:46,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:33:46,404 INFO L225 Difference]: With dead ends: 169 [2019-12-07 10:33:46,404 INFO L226 Difference]: Without dead ends: 99 [2019-12-07 10:33:46,405 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:33:46,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-12-07 10:33:46,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2019-12-07 10:33:46,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-12-07 10:33:46,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2019-12-07 10:33:46,413 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 139 transitions. Word has length 26 [2019-12-07 10:33:46,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:33:46,414 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 139 transitions. [2019-12-07 10:33:46,414 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:33:46,414 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2019-12-07 10:33:46,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 10:33:46,415 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:33:46,415 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:33:46,615 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 10:33:46,616 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:33:46,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:33:46,618 INFO L82 PathProgramCache]: Analyzing trace with hash 917787529, now seen corresponding path program 1 times [2019-12-07 10:33:46,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:33:46,620 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2018429608] [2019-12-07 10:33:46,620 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 10:33:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:33:46,839 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:33:46,841 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:33:46,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:33:46,855 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:33:46,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:33:46,860 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2018429608] [2019-12-07 10:33:46,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:33:46,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 10:33:46,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649134862] [2019-12-07 10:33:46,861 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:33:46,861 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:33:46,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:33:46,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:33:46,861 INFO L87 Difference]: Start difference. First operand 97 states and 139 transitions. Second operand 5 states. [2019-12-07 10:33:46,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:33:46,963 INFO L93 Difference]: Finished difference Result 484 states and 705 transitions. [2019-12-07 10:33:46,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 10:33:46,964 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-12-07 10:33:46,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:33:46,967 INFO L225 Difference]: With dead ends: 484 [2019-12-07 10:33:46,967 INFO L226 Difference]: Without dead ends: 394 [2019-12-07 10:33:46,968 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 10:33:46,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2019-12-07 10:33:46,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 176. [2019-12-07 10:33:46,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2019-12-07 10:33:46,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 249 transitions. [2019-12-07 10:33:46,991 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 249 transitions. Word has length 27 [2019-12-07 10:33:46,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:33:46,992 INFO L462 AbstractCegarLoop]: Abstraction has 176 states and 249 transitions. [2019-12-07 10:33:46,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:33:46,992 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 249 transitions. [2019-12-07 10:33:46,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 10:33:46,993 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:33:46,993 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:33:47,194 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 10:33:47,195 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:33:47,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:33:47,196 INFO L82 PathProgramCache]: Analyzing trace with hash -516357631, now seen corresponding path program 1 times [2019-12-07 10:33:47,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:33:47,198 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1805851474] [2019-12-07 10:33:47,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 10:33:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:33:47,335 INFO L264 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:33:47,337 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:33:47,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:33:47,349 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:33:47,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:33:47,352 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1805851474] [2019-12-07 10:33:47,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:33:47,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 10:33:47,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610236578] [2019-12-07 10:33:47,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:33:47,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:33:47,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:33:47,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:33:47,354 INFO L87 Difference]: Start difference. First operand 176 states and 249 transitions. Second operand 5 states. [2019-12-07 10:33:47,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:33:47,490 INFO L93 Difference]: Finished difference Result 659 states and 937 transitions. [2019-12-07 10:33:47,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 10:33:47,491 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-12-07 10:33:47,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:33:47,493 INFO L225 Difference]: With dead ends: 659 [2019-12-07 10:33:47,493 INFO L226 Difference]: Without dead ends: 490 [2019-12-07 10:33:47,494 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 10:33:47,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2019-12-07 10:33:47,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 174. [2019-12-07 10:33:47,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2019-12-07 10:33:47,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 243 transitions. [2019-12-07 10:33:47,507 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 243 transitions. Word has length 28 [2019-12-07 10:33:47,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:33:47,507 INFO L462 AbstractCegarLoop]: Abstraction has 174 states and 243 transitions. [2019-12-07 10:33:47,507 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:33:47,507 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 243 transitions. [2019-12-07 10:33:47,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-07 10:33:47,508 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:33:47,508 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:33:47,709 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 10:33:47,710 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:33:47,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:33:47,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1801944586, now seen corresponding path program 1 times [2019-12-07 10:33:47,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:33:47,712 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [276523741] [2019-12-07 10:33:47,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 10:33:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:33:47,887 INFO L264 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 10:33:47,889 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:33:47,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:33:47,901 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:33:47,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:33:47,912 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [276523741] [2019-12-07 10:33:47,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:33:47,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 10:33:47,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416960296] [2019-12-07 10:33:47,913 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 10:33:47,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:33:47,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 10:33:47,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 10:33:47,914 INFO L87 Difference]: Start difference. First operand 174 states and 243 transitions. Second operand 6 states. [2019-12-07 10:33:47,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:33:47,978 INFO L93 Difference]: Finished difference Result 659 states and 923 transitions. [2019-12-07 10:33:47,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:33:47,979 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2019-12-07 10:33:47,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:33:47,981 INFO L225 Difference]: With dead ends: 659 [2019-12-07 10:33:47,981 INFO L226 Difference]: Without dead ends: 492 [2019-12-07 10:33:47,981 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 10:33:47,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2019-12-07 10:33:47,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 182. [2019-12-07 10:33:47,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2019-12-07 10:33:47,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 251 transitions. [2019-12-07 10:33:47,995 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 251 transitions. Word has length 36 [2019-12-07 10:33:47,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:33:47,996 INFO L462 AbstractCegarLoop]: Abstraction has 182 states and 251 transitions. [2019-12-07 10:33:47,996 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 10:33:47,996 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 251 transitions. [2019-12-07 10:33:47,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-07 10:33:47,997 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:33:47,997 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:33:48,197 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 10:33:48,197 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:33:48,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:33:48,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1481905460, now seen corresponding path program 1 times [2019-12-07 10:33:48,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:33:48,198 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [651110183] [2019-12-07 10:33:48,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-12-07 10:33:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:33:48,302 INFO L264 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:33:48,304 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:33:48,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:33:48,315 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:33:48,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:33:48,318 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [651110183] [2019-12-07 10:33:48,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:33:48,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 10:33:48,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794517949] [2019-12-07 10:33:48,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:33:48,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:33:48,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:33:48,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:33:48,320 INFO L87 Difference]: Start difference. First operand 182 states and 251 transitions. Second operand 5 states. [2019-12-07 10:33:48,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:33:48,385 INFO L93 Difference]: Finished difference Result 519 states and 713 transitions. [2019-12-07 10:33:48,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 10:33:48,385 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-12-07 10:33:48,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:33:48,387 INFO L225 Difference]: With dead ends: 519 [2019-12-07 10:33:48,387 INFO L226 Difference]: Without dead ends: 344 [2019-12-07 10:33:48,387 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 10:33:48,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2019-12-07 10:33:48,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 194. [2019-12-07 10:33:48,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-12-07 10:33:48,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 263 transitions. [2019-12-07 10:33:48,403 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 263 transitions. Word has length 36 [2019-12-07 10:33:48,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:33:48,403 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 263 transitions. [2019-12-07 10:33:48,403 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:33:48,403 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 263 transitions. [2019-12-07 10:33:48,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-07 10:33:48,404 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:33:48,404 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:33:48,604 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 10:33:48,605 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:33:48,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:33:48,606 INFO L82 PathProgramCache]: Analyzing trace with hash 780876232, now seen corresponding path program 1 times [2019-12-07 10:33:48,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:33:48,607 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [686796912] [2019-12-07 10:33:48,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 10:33:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:33:48,827 INFO L264 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:33:48,829 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:33:48,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:33:48,835 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:33:48,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:33:48,842 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [686796912] [2019-12-07 10:33:48,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:33:48,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 10:33:48,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124381996] [2019-12-07 10:33:48,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:33:48,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:33:48,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:33:48,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:33:48,843 INFO L87 Difference]: Start difference. First operand 194 states and 263 transitions. Second operand 4 states. [2019-12-07 10:33:48,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:33:48,905 INFO L93 Difference]: Finished difference Result 616 states and 839 transitions. [2019-12-07 10:33:48,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 10:33:48,906 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2019-12-07 10:33:48,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:33:48,909 INFO L225 Difference]: With dead ends: 616 [2019-12-07 10:33:48,909 INFO L226 Difference]: Without dead ends: 429 [2019-12-07 10:33:48,909 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:33:48,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2019-12-07 10:33:48,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 339. [2019-12-07 10:33:48,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2019-12-07 10:33:48,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 456 transitions. [2019-12-07 10:33:48,939 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 456 transitions. Word has length 36 [2019-12-07 10:33:48,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:33:48,940 INFO L462 AbstractCegarLoop]: Abstraction has 339 states and 456 transitions. [2019-12-07 10:33:48,940 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:33:48,940 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 456 transitions. [2019-12-07 10:33:48,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 10:33:48,941 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:33:48,941 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:33:49,141 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 10:33:49,142 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:33:49,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:33:49,142 INFO L82 PathProgramCache]: Analyzing trace with hash -693602552, now seen corresponding path program 1 times [2019-12-07 10:33:49,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:33:49,143 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [427156906] [2019-12-07 10:33:49,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-12-07 10:33:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:33:49,242 INFO L264 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 10:33:49,243 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:33:49,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:33:49,263 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:33:49,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:33:49,291 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [427156906] [2019-12-07 10:33:49,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:33:49,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 10:33:49,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368262808] [2019-12-07 10:33:49,291 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 10:33:49,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:33:49,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 10:33:49,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 10:33:49,292 INFO L87 Difference]: Start difference. First operand 339 states and 456 transitions. Second operand 10 states. [2019-12-07 10:33:49,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:33:49,691 INFO L93 Difference]: Finished difference Result 1407 states and 1869 transitions. [2019-12-07 10:33:49,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-07 10:33:49,691 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 37 [2019-12-07 10:33:49,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:33:49,696 INFO L225 Difference]: With dead ends: 1407 [2019-12-07 10:33:49,696 INFO L226 Difference]: Without dead ends: 1075 [2019-12-07 10:33:49,697 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2019-12-07 10:33:49,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2019-12-07 10:33:49,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 339. [2019-12-07 10:33:49,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2019-12-07 10:33:49,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 448 transitions. [2019-12-07 10:33:49,735 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 448 transitions. Word has length 37 [2019-12-07 10:33:49,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:33:49,735 INFO L462 AbstractCegarLoop]: Abstraction has 339 states and 448 transitions. [2019-12-07 10:33:49,735 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 10:33:49,735 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 448 transitions. [2019-12-07 10:33:49,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-07 10:33:49,736 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:33:49,736 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:33:49,937 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 10:33:49,938 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:33:49,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:33:49,939 INFO L82 PathProgramCache]: Analyzing trace with hash -805983262, now seen corresponding path program 1 times [2019-12-07 10:33:49,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:33:49,941 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1679035128] [2019-12-07 10:33:49,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2019-12-07 10:33:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:33:50,132 INFO L264 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 10:33:50,134 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:33:50,154 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 10:33:50,154 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:33:50,158 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:33:50,175 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 10:33:50,176 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1679035128] [2019-12-07 10:33:50,176 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [74778866] [2019-12-07 10:33:50,176 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 10:33:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:33:50,269 INFO L264 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:33:50,270 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:33:50,280 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:33:50,280 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:33:50,284 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:33:50,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 10:33:50,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 9 [2019-12-07 10:33:50,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074856226] [2019-12-07 10:33:50,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:33:50,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:33:50,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:33:50,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 10:33:50,285 INFO L87 Difference]: Start difference. First operand 339 states and 448 transitions. Second operand 3 states. [2019-12-07 10:33:50,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:33:50,373 INFO L93 Difference]: Finished difference Result 559 states and 736 transitions. [2019-12-07 10:33:50,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:33:50,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-12-07 10:33:50,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:33:50,377 INFO L225 Difference]: With dead ends: 559 [2019-12-07 10:33:50,377 INFO L226 Difference]: Without dead ends: 557 [2019-12-07 10:33:50,377 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 10:33:50,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2019-12-07 10:33:50,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 391. [2019-12-07 10:33:50,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2019-12-07 10:33:50,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 525 transitions. [2019-12-07 10:33:50,422 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 525 transitions. Word has length 58 [2019-12-07 10:33:50,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:33:50,422 INFO L462 AbstractCegarLoop]: Abstraction has 391 states and 525 transitions. [2019-12-07 10:33:50,422 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:33:50,422 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 525 transitions. [2019-12-07 10:33:50,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-12-07 10:33:50,423 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:33:50,423 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:33:50,824 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt --rewrite-divk,12 mathsat -unsat_core_generation=3 [2019-12-07 10:33:50,826 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:33:50,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:33:50,826 INFO L82 PathProgramCache]: Analyzing trace with hash 750831267, now seen corresponding path program 1 times [2019-12-07 10:33:50,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:33:50,828 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [625481716] [2019-12-07 10:33:50,828 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2019-12-07 10:33:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:33:50,970 INFO L264 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 10:33:50,971 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:33:50,993 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 10:33:50,993 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:33:50,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:33:51,012 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 10:33:51,013 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [625481716] [2019-12-07 10:33:51,013 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [85078034] [2019-12-07 10:33:51,013 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 10:33:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:33:51,197 INFO L264 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 10:33:51,198 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:33:51,220 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 10:33:51,220 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:33:51,222 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:33:51,230 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 10:33:51,230 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403848294] [2019-12-07 10:33:51,231 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:33:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:33:51,354 INFO L264 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 10:33:51,355 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:33:51,387 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:33:51,413 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 10:33:51,414 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:33:51,415 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:33:51,448 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 10:33:51,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2019-12-07 10:33:51,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 6, 5, 8] total 15 [2019-12-07 10:33:51,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100637682] [2019-12-07 10:33:51,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 10:33:51,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:33:51,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 10:33:51,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2019-12-07 10:33:51,450 INFO L87 Difference]: Start difference. First operand 391 states and 525 transitions. Second operand 8 states. [2019-12-07 10:33:52,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:33:52,065 INFO L93 Difference]: Finished difference Result 3382 states and 4517 transitions. [2019-12-07 10:33:52,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-12-07 10:33:52,065 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 82 [2019-12-07 10:33:52,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:33:52,076 INFO L225 Difference]: With dead ends: 3382 [2019-12-07 10:33:52,076 INFO L226 Difference]: Without dead ends: 2998 [2019-12-07 10:33:52,077 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 480 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2019-12-07 10:33:52,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2998 states. [2019-12-07 10:33:52,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2998 to 785. [2019-12-07 10:33:52,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2019-12-07 10:33:52,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1098 transitions. [2019-12-07 10:33:52,142 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1098 transitions. Word has length 82 [2019-12-07 10:33:52,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:33:52,142 INFO L462 AbstractCegarLoop]: Abstraction has 785 states and 1098 transitions. [2019-12-07 10:33:52,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 10:33:52,142 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1098 transitions. [2019-12-07 10:33:52,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-12-07 10:33:52,143 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:33:52,144 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:33:52,745 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 10:33:52,746 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:33:52,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:33:52,747 INFO L82 PathProgramCache]: Analyzing trace with hash 356464481, now seen corresponding path program 1 times [2019-12-07 10:33:52,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:33:52,748 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [350958033] [2019-12-07 10:33:52,748 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/mathsat Starting monitored process 17 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with mathsat -unsat_core_generation=3 [2019-12-07 10:33:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:33:52,970 INFO L264 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:33:52,971 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:33:52,989 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-07 10:33:52,989 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:33:53,008 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-07 10:33:53,008 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [350958033] [2019-12-07 10:33:53,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:33:53,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 10:33:53,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179519974] [2019-12-07 10:33:53,008 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 10:33:53,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:33:53,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 10:33:53,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 10:33:53,009 INFO L87 Difference]: Start difference. First operand 785 states and 1098 transitions. Second operand 8 states. [2019-12-07 10:33:53,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:33:53,127 INFO L93 Difference]: Finished difference Result 1828 states and 2498 transitions. [2019-12-07 10:33:53,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 10:33:53,127 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 82 [2019-12-07 10:33:53,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:33:53,131 INFO L225 Difference]: With dead ends: 1828 [2019-12-07 10:33:53,131 INFO L226 Difference]: Without dead ends: 1050 [2019-12-07 10:33:53,131 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 10:33:53,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1050 states. [2019-12-07 10:33:53,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1050 to 466. [2019-12-07 10:33:53,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2019-12-07 10:33:53,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 631 transitions. [2019-12-07 10:33:53,174 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 631 transitions. Word has length 82 [2019-12-07 10:33:53,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:33:53,174 INFO L462 AbstractCegarLoop]: Abstraction has 466 states and 631 transitions. [2019-12-07 10:33:53,174 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 10:33:53,174 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 631 transitions. [2019-12-07 10:33:53,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-12-07 10:33:53,175 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:33:53,175 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:33:53,376 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2019-12-07 10:33:53,376 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:33:53,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:33:53,376 INFO L82 PathProgramCache]: Analyzing trace with hash 569669167, now seen corresponding path program 1 times [2019-12-07 10:33:53,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:33:53,377 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [858923390] [2019-12-07 10:33:53,377 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2019-12-07 10:33:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:33:53,528 INFO L264 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 10:33:53,529 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:33:53,540 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-07 10:33:53,540 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:33:53,562 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-07 10:33:53,562 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [858923390] [2019-12-07 10:33:53,562 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1211077283] [2019-12-07 10:33:53,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/cvc4 Starting monitored process 19 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 10:33:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:33:53,653 INFO L264 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:33:53,654 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:33:53,659 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-07 10:33:53,659 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:33:53,664 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-07 10:33:53,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 10:33:53,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3, 3] total 6 [2019-12-07 10:33:53,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212270427] [2019-12-07 10:33:53,665 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:33:53,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:33:53,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:33:53,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-07 10:33:53,665 INFO L87 Difference]: Start difference. First operand 466 states and 631 transitions. Second operand 3 states. [2019-12-07 10:33:53,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:33:53,845 INFO L93 Difference]: Finished difference Result 769 states and 1026 transitions. [2019-12-07 10:33:53,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:33:53,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2019-12-07 10:33:53,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:33:53,846 INFO L225 Difference]: With dead ends: 769 [2019-12-07 10:33:53,846 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 10:33:53,847 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-07 10:33:53,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 10:33:53,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 10:33:53,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 10:33:53,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 10:33:53,848 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2019-12-07 10:33:53,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:33:53,848 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:33:53,848 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:33:53,848 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:33:53,848 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 10:33:54,248 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3,19 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 10:33:54,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 10:33:54,406 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2019-12-07 10:33:55,473 WARN L192 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 314 DAG size of output: 298 [2019-12-07 10:33:56,059 WARN L192 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 189 [2019-12-07 10:33:56,982 WARN L192 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 297 [2019-12-07 10:33:57,824 WARN L192 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 288 [2019-12-07 10:33:58,028 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 153 [2019-12-07 10:33:59,643 WARN L192 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 362 DAG size of output: 344 [2019-12-07 10:34:01,754 WARN L192 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 385 DAG size of output: 366 [2019-12-07 10:34:03,496 WARN L192 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 383 DAG size of output: 363 [2019-12-07 10:34:03,843 WARN L192 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 205 [2019-12-07 10:34:04,054 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 170 [2019-12-07 10:34:05,473 WARN L192 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 377 DAG size of output: 358 [2019-12-07 10:34:05,846 WARN L192 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 29 [2019-12-07 10:34:06,016 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 22 [2019-12-07 10:34:06,275 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 32 [2019-12-07 10:34:10,461 WARN L192 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 297 DAG size of output: 38 [2019-12-07 10:34:12,977 WARN L192 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 188 DAG size of output: 14 [2019-12-07 10:34:18,229 WARN L192 SmtUtils]: Spent 5.25 s on a formula simplification. DAG size of input: 297 DAG size of output: 28 [2019-12-07 10:34:18,653 WARN L192 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 32 [2019-12-07 10:34:22,829 WARN L192 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 287 DAG size of output: 38 [2019-12-07 10:34:24,211 WARN L192 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2019-12-07 10:34:31,311 WARN L192 SmtUtils]: Spent 7.08 s on a formula simplification. DAG size of input: 343 DAG size of output: 24 [2019-12-07 10:34:40,175 WARN L192 SmtUtils]: Spent 8.83 s on a formula simplification. DAG size of input: 365 DAG size of output: 25 [2019-12-07 10:34:47,776 WARN L192 SmtUtils]: Spent 7.60 s on a formula simplification. DAG size of input: 361 DAG size of output: 26 [2019-12-07 10:34:50,324 WARN L192 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 205 DAG size of output: 31 [2019-12-07 10:34:51,703 WARN L192 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 169 DAG size of output: 16 [2019-12-07 10:34:57,096 WARN L192 SmtUtils]: Spent 5.39 s on a formula simplification. DAG size of input: 357 DAG size of output: 30 [2019-12-07 10:34:57,101 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2019-12-07 10:34:57,101 INFO L242 CegarLoopResult]: At program point L136(lines 127 140) the Hoare annotation is: false [2019-12-07 10:34:57,101 INFO L242 CegarLoopResult]: At program point L136-1(lines 127 140) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (not (bvslt ~waterLevel~0 (_ bv2 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse4) (and .cse1 .cse2 .cse5 .cse4 .cse6) (and .cse1 .cse2 .cse3 .cse4 .cse6))) [2019-12-07 10:34:57,101 INFO L242 CegarLoopResult]: At program point L136-2(lines 127 140) the Hoare annotation is: false [2019-12-07 10:34:57,101 INFO L242 CegarLoopResult]: At program point L136-3(lines 127 140) the Hoare annotation is: false [2019-12-07 10:34:57,101 INFO L242 CegarLoopResult]: At program point L136-4(lines 127 140) the Hoare annotation is: false [2019-12-07 10:34:57,101 INFO L246 CegarLoopResult]: For program point L995(lines 995 1012) no Hoare annotation was computed. [2019-12-07 10:34:57,102 INFO L242 CegarLoopResult]: At program point L136-5(lines 127 140) the Hoare annotation is: false [2019-12-07 10:34:57,102 INFO L242 CegarLoopResult]: At program point L995-1(lines 1 1015) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~10 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse2 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse0 .cse5 .cse2 .cse3 .cse4 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse6))) [2019-12-07 10:34:57,102 INFO L246 CegarLoopResult]: For program point L995-2(lines 995 1012) no Hoare annotation was computed. [2019-12-07 10:34:57,102 INFO L242 CegarLoopResult]: At program point L995-3(lines 1 1015) the Hoare annotation is: false [2019-12-07 10:34:57,102 INFO L246 CegarLoopResult]: For program point L995-4(lines 995 1012) no Hoare annotation was computed. [2019-12-07 10:34:57,102 INFO L242 CegarLoopResult]: At program point L995-5(lines 1 1015) the Hoare annotation is: false [2019-12-07 10:34:57,102 INFO L242 CegarLoopResult]: At program point L931(lines 916 934) the Hoare annotation is: false [2019-12-07 10:34:57,102 INFO L242 CegarLoopResult]: At program point L931-1(lines 916 934) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse6 .cse3) (and .cse0 .cse1 .cse5 .cse6 .cse7 .cse3) (and .cse0 .cse1 .cse7 .cse4 .cse3))) [2019-12-07 10:34:57,102 INFO L242 CegarLoopResult]: At program point L931-2(lines 916 934) the Hoare annotation is: false [2019-12-07 10:34:57,102 INFO L242 CegarLoopResult]: At program point L931-3(lines 916 934) the Hoare annotation is: false [2019-12-07 10:34:57,102 INFO L242 CegarLoopResult]: At program point L931-4(lines 916 934) the Hoare annotation is: false [2019-12-07 10:34:57,102 INFO L242 CegarLoopResult]: At program point L931-5(lines 916 934) the Hoare annotation is: false [2019-12-07 10:34:57,102 INFO L242 CegarLoopResult]: At program point L172-2(lines 172 186) the Hoare annotation is: false [2019-12-07 10:34:57,103 INFO L246 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2019-12-07 10:34:57,103 INFO L246 CegarLoopResult]: For program point L999(lines 999 1009) no Hoare annotation was computed. [2019-12-07 10:34:57,103 INFO L246 CegarLoopResult]: For program point L999-2(lines 999 1009) no Hoare annotation was computed. [2019-12-07 10:34:57,103 INFO L242 CegarLoopResult]: At program point L867(lines 860 870) the Hoare annotation is: false [2019-12-07 10:34:57,103 INFO L246 CegarLoopResult]: For program point L999-4(lines 999 1009) no Hoare annotation was computed. [2019-12-07 10:34:57,103 INFO L242 CegarLoopResult]: At program point L867-1(lines 860 870) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (not (bvslt ~waterLevel~0 (_ bv2 32))))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse3))) [2019-12-07 10:34:57,103 INFO L242 CegarLoopResult]: At program point L867-2(lines 860 870) the Hoare annotation is: false [2019-12-07 10:34:57,103 INFO L242 CegarLoopResult]: At program point L867-3(lines 860 870) the Hoare annotation is: false [2019-12-07 10:34:57,103 INFO L242 CegarLoopResult]: At program point L867-4(lines 860 870) the Hoare annotation is: false [2019-12-07 10:34:57,103 INFO L242 CegarLoopResult]: At program point L867-5(lines 860 870) the Hoare annotation is: false [2019-12-07 10:34:57,103 INFO L246 CegarLoopResult]: For program point L1000(lines 1000 1006) no Hoare annotation was computed. [2019-12-07 10:34:57,103 INFO L246 CegarLoopResult]: For program point L1000-2(lines 1000 1006) no Hoare annotation was computed. [2019-12-07 10:34:57,103 INFO L246 CegarLoopResult]: For program point L1000-4(lines 1000 1006) no Hoare annotation was computed. [2019-12-07 10:34:57,103 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2019-12-07 10:34:57,103 INFO L246 CegarLoopResult]: For program point L341(lines 341 356) no Hoare annotation was computed. [2019-12-07 10:34:57,103 INFO L246 CegarLoopResult]: For program point L176(lines 176 180) no Hoare annotation was computed. [2019-12-07 10:34:57,104 INFO L246 CegarLoopResult]: For program point L176-1(lines 747 753) no Hoare annotation was computed. [2019-12-07 10:34:57,104 INFO L246 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2019-12-07 10:34:57,104 INFO L246 CegarLoopResult]: For program point L805(lines 805 822) no Hoare annotation was computed. [2019-12-07 10:34:57,104 INFO L246 CegarLoopResult]: For program point L805-1(lines 805 822) no Hoare annotation was computed. [2019-12-07 10:34:57,104 INFO L246 CegarLoopResult]: For program point L805-2(lines 805 822) no Hoare annotation was computed. [2019-12-07 10:34:57,104 INFO L242 CegarLoopResult]: At program point L146(lines 141 149) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse3) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2019-12-07 10:34:57,104 INFO L242 CegarLoopResult]: At program point L146-1(lines 141 149) the Hoare annotation is: false [2019-12-07 10:34:57,104 INFO L242 CegarLoopResult]: At program point L146-2(lines 141 149) the Hoare annotation is: false [2019-12-07 10:34:57,104 INFO L246 CegarLoopResult]: For program point L312(lines 311 360) no Hoare annotation was computed. [2019-12-07 10:34:57,104 INFO L246 CegarLoopResult]: For program point L313(lines 313 317) no Hoare annotation was computed. [2019-12-07 10:34:57,104 INFO L246 CegarLoopResult]: For program point L842(lines 842 848) no Hoare annotation was computed. [2019-12-07 10:34:57,104 INFO L246 CegarLoopResult]: For program point L809(lines 809 817) no Hoare annotation was computed. [2019-12-07 10:34:57,104 INFO L246 CegarLoopResult]: For program point L842-2(lines 842 848) no Hoare annotation was computed. [2019-12-07 10:34:57,104 INFO L246 CegarLoopResult]: For program point L809-1(lines 809 817) no Hoare annotation was computed. [2019-12-07 10:34:57,104 INFO L246 CegarLoopResult]: For program point L809-2(lines 809 817) no Hoare annotation was computed. [2019-12-07 10:34:57,104 INFO L246 CegarLoopResult]: For program point L842-4(lines 842 848) no Hoare annotation was computed. [2019-12-07 10:34:57,104 INFO L246 CegarLoopResult]: For program point L842-6(lines 842 848) no Hoare annotation was computed. [2019-12-07 10:34:57,105 INFO L246 CegarLoopResult]: For program point L842-8(lines 842 848) no Hoare annotation was computed. [2019-12-07 10:34:57,105 INFO L246 CegarLoopResult]: For program point L842-10(lines 842 848) no Hoare annotation was computed. [2019-12-07 10:34:57,105 INFO L242 CegarLoopResult]: At program point L876(lines 871 879) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:34:57,105 INFO L242 CegarLoopResult]: At program point L876-1(lines 871 879) the Hoare annotation is: false [2019-12-07 10:34:57,105 INFO L242 CegarLoopResult]: At program point L876-2(lines 871 879) the Hoare annotation is: false [2019-12-07 10:34:57,105 INFO L246 CegarLoopResult]: For program point L349(lines 349 355) no Hoare annotation was computed. [2019-12-07 10:34:57,105 INFO L242 CegarLoopResult]: At program point L349-1(lines 747 753) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (not (bvslt ~waterLevel~0 (_ bv2 32))))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse4 .cse1 .cse2 .cse5) (and .cse4 .cse3 .cse2 .cse5))) [2019-12-07 10:34:57,105 INFO L246 CegarLoopResult]: For program point L250(lines 250 257) no Hoare annotation was computed. [2019-12-07 10:34:57,105 INFO L249 CegarLoopResult]: At program point L250-1(lines 250 257) the Hoare annotation is: true [2019-12-07 10:34:57,105 INFO L246 CegarLoopResult]: For program point L944(lines 944 948) no Hoare annotation was computed. [2019-12-07 10:34:57,105 INFO L246 CegarLoopResult]: For program point L944-2(lines 944 948) no Hoare annotation was computed. [2019-12-07 10:34:57,105 INFO L246 CegarLoopResult]: For program point L944-3(lines 944 948) no Hoare annotation was computed. [2019-12-07 10:34:57,105 INFO L246 CegarLoopResult]: For program point L779(lines 779 796) no Hoare annotation was computed. [2019-12-07 10:34:57,105 INFO L246 CegarLoopResult]: For program point L944-5(lines 944 948) no Hoare annotation was computed. [2019-12-07 10:34:57,105 INFO L246 CegarLoopResult]: For program point L779-1(lines 779 796) no Hoare annotation was computed. [2019-12-07 10:34:57,105 INFO L246 CegarLoopResult]: For program point L944-6(lines 944 948) no Hoare annotation was computed. [2019-12-07 10:34:57,105 INFO L246 CegarLoopResult]: For program point L779-2(lines 779 796) no Hoare annotation was computed. [2019-12-07 10:34:57,105 INFO L246 CegarLoopResult]: For program point L779-3(lines 779 796) no Hoare annotation was computed. [2019-12-07 10:34:57,106 INFO L246 CegarLoopResult]: For program point L944-8(lines 944 948) no Hoare annotation was computed. [2019-12-07 10:34:57,106 INFO L246 CegarLoopResult]: For program point L779-4(lines 779 796) no Hoare annotation was computed. [2019-12-07 10:34:57,106 INFO L246 CegarLoopResult]: For program point L779-5(lines 779 796) no Hoare annotation was computed. [2019-12-07 10:34:57,106 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 10:34:57,106 INFO L242 CegarLoopResult]: At program point L747(lines 746 765) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse4 .cse5 .cse3 .cse2) (and .cse4 .cse5 .cse1 .cse2))) [2019-12-07 10:34:57,106 INFO L246 CegarLoopResult]: For program point L747-1(lines 747 753) no Hoare annotation was computed. [2019-12-07 10:34:57,106 INFO L242 CegarLoopResult]: At program point L747-2(lines 746 765) the Hoare annotation is: false [2019-12-07 10:34:57,106 INFO L242 CegarLoopResult]: At program point L747-3(lines 746 765) the Hoare annotation is: false [2019-12-07 10:34:57,106 INFO L246 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2019-12-07 10:34:57,106 INFO L246 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2019-12-07 10:34:57,106 INFO L246 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2019-12-07 10:34:57,106 INFO L242 CegarLoopResult]: At program point L286(lines 1 1015) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32))) [2019-12-07 10:34:57,106 INFO L242 CegarLoopResult]: At program point L221(lines 217 223) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32))) [2019-12-07 10:34:57,106 INFO L246 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2019-12-07 10:34:57,106 INFO L246 CegarLoopResult]: For program point L155-1(line 155) no Hoare annotation was computed. [2019-12-07 10:34:57,106 INFO L246 CegarLoopResult]: For program point L155-2(line 155) no Hoare annotation was computed. [2019-12-07 10:34:57,106 INFO L246 CegarLoopResult]: For program point L783(lines 783 791) no Hoare annotation was computed. [2019-12-07 10:34:57,107 INFO L246 CegarLoopResult]: For program point L783-1(lines 783 791) no Hoare annotation was computed. [2019-12-07 10:34:57,107 INFO L246 CegarLoopResult]: For program point L783-2(lines 783 791) no Hoare annotation was computed. [2019-12-07 10:34:57,107 INFO L246 CegarLoopResult]: For program point L783-3(lines 783 791) no Hoare annotation was computed. [2019-12-07 10:34:57,107 INFO L246 CegarLoopResult]: For program point L783-4(lines 783 791) no Hoare annotation was computed. [2019-12-07 10:34:57,107 INFO L246 CegarLoopResult]: For program point L783-5(lines 783 791) no Hoare annotation was computed. [2019-12-07 10:34:57,107 INFO L246 CegarLoopResult]: For program point L321(lines 321 327) no Hoare annotation was computed. [2019-12-07 10:34:57,107 INFO L242 CegarLoopResult]: At program point L321-1(lines 321 327) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~10 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse2 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse0 .cse5 .cse2 .cse3 .cse4 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse6))) [2019-12-07 10:34:57,107 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 10:34:57,107 INFO L242 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: false [2019-12-07 10:34:57,107 INFO L242 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (not (bvslt ~waterLevel~0 (_ bv2 32))))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3 .cse2))) [2019-12-07 10:34:57,107 INFO L242 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse3) (and (not (= ~systemActive~0 (_ bv0 32))) .cse0 .cse2 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse3))) [2019-12-07 10:34:57,107 INFO L242 CegarLoopResult]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2019-12-07 10:34:57,107 INFO L242 CegarLoopResult]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2019-12-07 10:34:57,107 INFO L242 CegarLoopResult]: At program point L950(lines 935 953) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32)))) (.cse2 (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (or (not (= ~waterLevel~0 (_ bv1 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ULTIMATE.start_isLowWaterLevel_~tmp~9 (_ bv0 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse2 .cse3 .cse4 .cse5))) [2019-12-07 10:34:57,107 INFO L242 CegarLoopResult]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2019-12-07 10:34:57,107 INFO L242 CegarLoopResult]: At program point L950-1(lines 935 953) the Hoare annotation is: false [2019-12-07 10:34:57,108 INFO L242 CegarLoopResult]: At program point L91-6(lines 86 94) the Hoare annotation is: false [2019-12-07 10:34:57,108 INFO L242 CegarLoopResult]: At program point L950-2(lines 935 953) the Hoare annotation is: false [2019-12-07 10:34:57,108 INFO L242 CegarLoopResult]: At program point L91-7(lines 86 94) the Hoare annotation is: false [2019-12-07 10:34:57,108 INFO L242 CegarLoopResult]: At program point L91-8(lines 86 94) the Hoare annotation is: false [2019-12-07 10:34:57,108 INFO L242 CegarLoopResult]: At program point L984(lines 979 986) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32))) [2019-12-07 10:34:57,108 INFO L242 CegarLoopResult]: At program point L754(lines 754 760) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1) (and .cse0 .cse2 .cse1) (and (not (= ~systemActive~0 (_ bv0 32))) .cse2 .cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))))) [2019-12-07 10:34:57,108 INFO L242 CegarLoopResult]: At program point L754-1(lines 754 760) the Hoare annotation is: false [2019-12-07 10:34:57,108 INFO L242 CegarLoopResult]: At program point L754-2(lines 754 760) the Hoare annotation is: false [2019-12-07 10:34:57,108 INFO L249 CegarLoopResult]: At program point L259(lines 240 262) the Hoare annotation is: true [2019-12-07 10:34:57,108 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 10:34:57,108 INFO L242 CegarLoopResult]: At program point L294(lines 289 297) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32))) [2019-12-07 10:34:57,108 INFO L242 CegarLoopResult]: At program point L361(lines 310 362) the Hoare annotation is: false [2019-12-07 10:34:57,108 INFO L246 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-12-07 10:34:57,108 INFO L246 CegarLoopResult]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2019-12-07 10:34:57,108 INFO L246 CegarLoopResult]: For program point L131-2(lines 131 137) no Hoare annotation was computed. [2019-12-07 10:34:57,108 INFO L246 CegarLoopResult]: For program point L131-3(lines 131 137) no Hoare annotation was computed. [2019-12-07 10:34:57,108 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 10:34:57,109 INFO L246 CegarLoopResult]: For program point L131-4(lines 131 137) no Hoare annotation was computed. [2019-12-07 10:34:57,109 INFO L246 CegarLoopResult]: For program point L131-5(lines 131 137) no Hoare annotation was computed. [2019-12-07 10:34:57,109 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2019-12-07 10:34:57,109 INFO L246 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-12-07 10:34:57,109 INFO L246 CegarLoopResult]: For program point L958(lines 958 964) no Hoare annotation was computed. [2019-12-07 10:34:57,109 INFO L242 CegarLoopResult]: At program point L958-1(lines 958 964) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2019-12-07 10:34:57,109 INFO L246 CegarLoopResult]: For program point L925(lines 925 929) no Hoare annotation was computed. [2019-12-07 10:34:57,109 INFO L246 CegarLoopResult]: For program point L925-2(lines 925 929) no Hoare annotation was computed. [2019-12-07 10:34:57,109 INFO L246 CegarLoopResult]: For program point L925-3(lines 925 929) no Hoare annotation was computed. [2019-12-07 10:34:57,109 INFO L246 CegarLoopResult]: For program point L925-5(lines 925 929) no Hoare annotation was computed. [2019-12-07 10:34:57,109 INFO L246 CegarLoopResult]: For program point L925-6(lines 925 929) no Hoare annotation was computed. [2019-12-07 10:34:57,109 INFO L246 CegarLoopResult]: For program point L925-8(lines 925 929) no Hoare annotation was computed. [2019-12-07 10:34:57,109 INFO L246 CegarLoopResult]: For program point L925-9(lines 925 929) no Hoare annotation was computed. [2019-12-07 10:34:57,109 INFO L246 CegarLoopResult]: For program point L925-11(lines 925 929) no Hoare annotation was computed. [2019-12-07 10:34:57,109 INFO L246 CegarLoopResult]: For program point L925-12(lines 925 929) no Hoare annotation was computed. [2019-12-07 10:34:57,109 INFO L246 CegarLoopResult]: For program point L925-14(lines 925 929) no Hoare annotation was computed. [2019-12-07 10:34:57,109 INFO L246 CegarLoopResult]: For program point L925-15(lines 925 929) no Hoare annotation was computed. [2019-12-07 10:34:57,109 INFO L246 CegarLoopResult]: For program point L925-17(lines 925 929) no Hoare annotation was computed. [2019-12-07 10:34:57,109 INFO L246 CegarLoopResult]: For program point L331(lines 331 337) no Hoare annotation was computed. [2019-12-07 10:34:57,110 INFO L242 CegarLoopResult]: At program point L331-1(lines 331 337) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse3 .cse5) (and .cse4 .cse6 .cse3 .cse5) (and .cse0 .cse2 .cse6 .cse3))) [2019-12-07 10:34:57,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:34:57 BoogieIcfgContainer [2019-12-07 10:34:57,139 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:34:57,140 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:34:57,140 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:34:57,140 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:34:57,140 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:33:44" (3/4) ... [2019-12-07 10:34:57,143 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 10:34:57,161 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 10:34:57,162 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 10:34:57,163 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 10:34:57,165 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 10:34:57,166 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 10:34:57,167 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:34:57,168 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:34:57,190 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32)) || ((((((!(systemActive == 0bv32) && \result == 0bv32) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) [2019-12-07 10:34:57,191 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32)) || ((((((!(systemActive == 0bv32) && \result == 0bv32) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) [2019-12-07 10:34:57,192 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && splverifierCounter == 0bv32) [2019-12-07 10:34:57,192 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && !(waterLevel == 0bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && !(waterLevel == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 10:34:57,193 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32))) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) [2019-12-07 10:34:57,193 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 10:34:57,193 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && (!(waterLevel == 1bv32) || \result == 0bv32)) && splverifierCounter == 0bv32) && tmp == 0bv32) || ((((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && (!(waterLevel == 1bv32) || \result == 0bv32)) && splverifierCounter == 0bv32) && tmp == 0bv32) [2019-12-07 10:34:57,194 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) || (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp___0 == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && splverifierCounter == 0bv32) [2019-12-07 10:34:57,195 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) [2019-12-07 10:34:57,195 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) || (((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) [2019-12-07 10:34:57,237 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2d87750d-9fbf-4708-ae70-81a266a048b8/bin/utaipan/witness.graphml [2019-12-07 10:34:57,237 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:34:57,238 INFO L168 Benchmark]: Toolchain (without parser) took 73567.89 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 812.6 MB). Free memory was 947.0 MB in the beginning and 1.4 GB in the end (delta: -451.7 MB). Peak memory consumption was 360.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:34:57,238 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:34:57,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -136.2 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:34:57,238 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:34:57,239 INFO L168 Benchmark]: Boogie Preprocessor took 35.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:34:57,239 INFO L168 Benchmark]: RCFGBuilder took 622.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.8 MB). Peak memory consumption was 66.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:34:57,239 INFO L168 Benchmark]: TraceAbstraction took 72367.21 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 698.4 MB). Free memory was 996.2 MB in the beginning and 1.4 GB in the end (delta: -422.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2019-12-07 10:34:57,239 INFO L168 Benchmark]: Witness Printer took 97.22 ms. Allocated memory is still 1.8 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:34:57,241 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 393.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -136.2 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 622.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.8 MB). Peak memory consumption was 66.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 72367.21 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 698.4 MB). Free memory was 996.2 MB in the beginning and 1.4 GB in the end (delta: -422.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 97.22 ms. Allocated memory is still 1.8 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 155]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 155]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 155]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && !(waterLevel == 0bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && !(waterLevel == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && (!(waterLevel == 1bv32) || \result == 0bv32)) && splverifierCounter == 0bv32) && tmp == 0bv32) || ((((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && (!(waterLevel == 1bv32) || \result == 0bv32)) && splverifierCounter == 0bv32) && tmp == 0bv32) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32)) || ((((((!(systemActive == 0bv32) && \result == 0bv32) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: ((((\result == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) || (((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32)) || ((((((!(systemActive == 0bv32) && \result == 0bv32) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32))) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && !(waterLevel == 0bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && !(waterLevel == 0bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32))) || (((!(systemActive == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) || (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp___0 == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32))) || (((!(systemActive == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32))) || (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 3 error locations. Result: SAFE, OverallTime: 9.4s, OverallIterations: 14, TraceHistogramMax: 3, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 62.8s, HoareTripleCheckerStatistics: 1790 SDtfs, 3085 SDslu, 4414 SDs, 0 SdLazy, 482 SolverSat, 112 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1812 GetRequests, 1718 SyntacticMatches, 2 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=785occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 4839 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 183 NumberOfFragments, 940 HoareAnnotationTreeSize, 57 FomulaSimplifications, 49044697 FormulaSimplificationTreeSizeReduction, 11.2s HoareSimplificationTime, 57 FomulaSimplificationsInter, 40688236 FormulaSimplificationTreeSizeReductionInter, 51.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 897 NumberOfCodeBlocks, 897 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1758 ConstructedInterpolants, 0 QuantifiedInterpolants, 234737 SizeOfPredicates, 46 NumberOfNonLiveVariables, 4051 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 36 InterpolantComputations, 27 PerfectInterpolantSequences, 636/684 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...